Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier

General Description The MAX9877 combines a high-efficiency Class D audio power amplifier with a stereo Class AB capacitor less DirectDrive® headphone amplifier. Maxim’s 3rd generation, filterless Class D amplifier with active emissions limiting technology provides Class AB performance with Class

具有低RF干扰敏感度的单声道音频子系统，带有DirectDrive耳机放大器

MAX9877集成了高效D类音频功率放大器和立体声AB类、无需电容的DirectDrive®耳机放大器。该器件是Maxim的第三代D类无滤波放大器，可有效抑制辐射，兼具AB类放大器的优异性能和D类放大器的效率。\n3.7V供电时，MAX9877可为8Ω负载提供高达725mW的功率，效率为87%，有效延长电池寿命。无滤波调制方案采用辐射抑制电路及扩频调制技术，大大降低了EMI干扰，省去了传统D类放大器所需输出滤波器。\nMAX9877的立体声AB类耳机放大器采用Maxim的DirectDrive结构，采用单电源供电，产生以地为参考的输出，无需大尺寸隔直电容，从而节省成本、减小空间并降低器 • 低辐射、无滤波D类放大器完全符合EN55022 B类标准，并留有10dB以上的余量 \n• 具有输入混音及用户自定义的输入模式 \n• 53mW耳机输出(RHP = 16Ω，VDD = 3.7V) \n• 较低的THD+N：1kHz时为0.016% (耳机放大器) \n• 1.6Ω模拟开关用于旁路扬声器放大器 \n• 耳机放大器具有较高的PSRR (217Hz时为84dB) \n• 硬件及软件关断模式 \n• 限流及热保护 \n• 采用节省空间的2.5mm x 2.0mm WLP封装;

具有低RF干扰敏感度的单声道音频子系统，带有DirectDrive耳机放大器

MAX9877A集成了高效D类音频功率放大器和立体声AB类、无需电容的DirectDrive®耳机放大器。该器件是Maxim的第三代D类无滤波放大器，采用有源辐射抑制技术，能够以D类放大器的效率提供AB类放大器的性能。\n 采用3.7V电源供电时，MAX9877A可为8Ω负载提供高达725mW的功率，效率为87%，有效延长电池使用寿命。无滤波调制方案结合有源辐射抑制电路及扩频调制技术，大大降低了EMI，并省去了传统D类放大器所需的输出滤波电路。\n MAX9877A的立体声AB类耳机放大器采用Maxim的DirectDrive架构，单电源供电即可产生以地为参考的输出，无需大尺寸隔直电容 \n• 低辐射、无滤波D类放大器完全符合EN55022 B类标准，并留有10dB以上的裕量 \n• 具有RF抑制功能，可减小来自GSM无线网络的TDMA噪声 \n• 具有输入混音及用户自定义的输入模式 \n• 725mW扬声器输出(RSPK = 8Ω，PVDD = 3.7V) \n• 53mW耳机输出(RHP = 16Ω，VDD = 3.7V) \n• 较低的THD+N：1kHz时为0.05% (D类功率放大器) \n• 较低的THD+N：1kHz时为0.016% (耳机放大器) \n• 效率高达87% (RSPK = 8Ω，POUT = 750mW) \n• 1.6Ω;

Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier

General Description The MAX9877A combines a high-efficiency Class D audio power amplifier with a stereo Class AB capacitor less DirectDrive® headphone amplifier. Maxim’s 3rd generation, filterless Class D amplifier with active emissions limiting* technology provides Class AB performance with Clas

Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier

General Description The MAX9877A combines a high-efficiency Class D audio power amplifier with a stereo Class AB capacitor less DirectDrive® headphone amplifier. Maxim’s 3rd generation, filterless Class D amplifier with active emissions limiting* technology provides Class AB performance with Clas

Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier

General Description The MAX9877 combines a high-efficiency Class D audio power amplifier with a stereo Class AB capacitor less DirectDrive® headphone amplifier. Maxim’s 3rd generation, filterless Class D amplifier with active emissions limiting technology provides Class AB performance with Class

Mixed-Signal Front End Set-Top Box, Cable Modem

GENERAL DESCRIPTION The AD9877 is a single-supply set-top box and cable modem mixed-signal front end. The device contains a transmit path interpolation filter, complete quadrature digital upconverter, and transmit DAC. The receive path contains a 12-bit ADC and dual 8-bit ADCs. All internally req

Mixed-Signal Front End Set-Top Box, Cable Modem

GENERAL DESCRIPTION The AD9877 is a single-supply set-top box and cable modem mixed-signal front end. The device contains a transmit path interpolation filter, complete quadrature digital upconverter, and transmit DAC. The receive path contains a 12-bit ADC and dual 8-bit ADCs. All internally req

Mixed-Signal Front End Set-Top Box, Cable Modem

GENERAL DESCRIPTION The AD9877 is a single-supply set-top box and cable modem mixed-signal front end. The device contains a transmit path interpolation filter, complete quadrature digital upconverter, and transmit DAC. The receive path contains a 12-bit ADC and dual 8-bit ADCs. All internally req

Serial interface IC for DIMMs supporting plug & play

The BU9877FV is a 2-k bit EEPROM with a write protect function, developed for DIMMs (Dual In-line Memory Modules) containing a synchronous DRAM. This IC stores IDs in memory in order to enable Plug & Play functions. Features 1) 2-k bit EEPROM with configuration of 256 words × 8 bits. 2) Com